Letter and carbon holder.



' f 'LETTER AND GARBUNHOLDER.-

AAPPLIOATIQN 11.31) AUG. s, 1904.

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Patented January 3i, 1905.

PATENT QFFICE.

ROBERT JCI-IN RILEY, OF ZION CITY,'ILL1NOIS.

LETTER AND CARBON HOLDER.

SPECIFICATIAN forming part oi: Letters Patent No. 781,229, dated January 31, 1905.

Application filed August 5, 1904. Serial No. 219,692. I

To (.LZZ whom it may concern: 4 Be it known that I, ROBERT JOHN RILEY, a

Icitizen of the United States, residing at Zion City, in the county of Lake and State'of Illi- .nois, have invented a new.. and useful Letter' and Carbon Holder, of which the following is a specification.

The invention relates to improvements in letter and carbon sheet holders. i

The object of the present invention is to imn l prove the construction oi' letter andcarbon sheet holders and to providea simple, inex- A vide a carbon-sheet and letter-sheet holder adapted to be readily inserted between the leaves of a book and capable ofl being firmly held in position on the book while making a* vthe scope of the claims mayT be resorted to without departing from thespirit or sacrificing any of the advantages of the invention.

In the drawings, Figure l is a perspective view of' a letter' and carbon holder constructed in accordance with this invention. Fig. 2 is a rear elevation of the same. Fig. 3 is a side elevation illustrating the arrangement of the device for making book-copies. Fig. 4 is a vertical sectional view on the line 4 4 of Fig. 2.

Fig. 5 is a sectional view on the line 5 5 of,

Fig. 2; F ig. 6 is a view similar to Fig. 4 on an enlarged scale.

Like numerals of reference designate corresponding parts in all the figures ofY the drawings. v

l and 2 designate front and back plates adapted to receive between them letter and carbon sheets 3 and 4, as hereinafter explained. The front plate, which is substantially oblong, is provided at its ends with narrow arms or extensions 5, which are secured to the back plate by rivets 6 and which terminate short of the upper edges of' the end portions of the' back plate. The back plateis provided at its end portions withextensions or enlargements 7, pro- Jecting beyond the upper edges of the front plate and adapted to be readily introduced between the leaves of a book Sat the binding thereof', as indicated in Fig. 3 of' the drawings, whereby the device is firmly held in position on a leaf' of' a book to enable copies to be conveniently made therein. The front and back plates are constructed of sheet metal or other suitable material, and the extensions or wings 7 o f the back plate are in practice comparatively thin to enable them to be inserted far enough between the bound portions of the leaves of a book to prevent any liability of the device accidentally slipping. The top extensions or wings of the back plate terminate short of the center of the same to provide a c entral recess or space to'enable top clamps 9 to engage over the upper edges of the plates l and 2, as clearly shown in Fig. 2. rlhe upper edges of the plates 1 and 2 are flush between the extensions 7, and the carbon-sheet 4 is first inserted in the device, its upper edge extending to the upper edge of' the front plate l. The clamps, which are provided with resilient jaws, have arms 10,-which are inclined or arranged at an. anglewhen the clamps are in their engaging position and which are pivoted to the extensions 7 by rivets ll or other suitable' fastening means. The upper clamps are adapted to bereadily swung into and out of' engagementwith the plates l and 2, and their resilient jaws converge inwardly to provide a iiaring or tapering opening, whereby they are adaptf ed to force the plates firmly into engagement with the carbon-sheet. f l

After the carbon-sheetis secured in the device the original or letter sheet 3 is placed therein and is secured by means of end or side clamps l2, engaging' the end edges oi' the plates and provided with upwardly-extending arms 13, which are pivoted to the back plate by means of the rivets 6. These clamps are also provided with resilient arms, which have inwardly-converging engaging faces, forming tapering or flaring openings for causing the plates to tightly clamp the sheets when the end clamps are closed. The end clamps are adapted to be readily swung outward to release the letter-sheet, and the same may be removed from the devicewithout removing or releasing the carbon-sheet. The end clamps are also adapted to hold a copy-sheet, which may be placed beneath the carbon-sheet after the latter has been secured by the top clamps, or the copy may be made in a book, as before explained.

It will be seen that the device is exceedingly simple and inexpensive in construction, that it is adapted for making either loose or book copies, and that it is capable of firmly clamping a carbon-sheet and of securely holding the same while the original or lettersheet and the copy-sheet (if the latter be used) are being placed in and removed from it. Also it will be clear that the device is provided at the top with projecting wings or extensions adapted to be inserted between the bound portions of a book for holding' the device firmly in position on the same.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. A device of the class described, comprising front and back plates adapted to receive original and carbon sheets, and clamping devices located at different points and adapted to engage the said sheets, one of the said clamping devices being arranged to hold the carbon-sheet while the original or letter sheet is being introduced into and removed from the device.

2. A device of the class described, comprising front and back plates adapted to receive original and carbon sheets, and independent clamping devices located at different distances from the top and arranged to permit the original sheet to be removed Without releasing the carbon-sheet.

3. A device of the class described, comprising front and back plates, top clamping means engaging the said plates for holding a carbonsheet, and side clamping means for holding an original or letter sheet and operable independently of the top clamping means to permit the original or letter sheet to be removed without releasing the carbon-sheet.

4. A device of the class described, comprising front and back plates, and pivotallymounted top and side clamps arranged to engage the said plates at diiferent distances from the top, said clamps being composed of a pair of jaws, anda projecting arm.

5. A device oic the class described, comprising plates adapted to receive original and carbon sheets, clamping means for holding the carbon-sheet, and an independent clamping device for holding the original sheet, said clamping device being arranged to permit the original sheet to be removed without releasing the carbon-sheet.

6. A device of the class described having top clamping means, and provided at the top with a wing or extension projecting beyond the clamping means and arranged to be inserted between the bound portions ol the leaves of a book for holding the device.

7. A device of the class described provided with extensions or wings spaced apart and arranged to be inserted between the bonnd leaves ot' a book for holding the device, said device being also provided with clamping means engaging the top of the device in the space between the wings or extensions.

8. A device of the class described, comprising front and back plates, one of the plates being extended beyond the other and provided with opposite wings adapted to be inserted between the bound portions oi the leaves ot a book, clamping means operating between the wings for engaging the carbon-sheet, and means engaging the plates beyond the said clamping means for holding an original sheet.

9. A letter and carbon holder provided with independently-operable clamping devices lor holding original and carbon sheets, one of the clamping devices being arranged to permit the original sheet to be removed without releasing the carbon-sheet.

In testimony that I claim the foregoing as my own I have hereto aiiixed my signature in the presence of two witnesses.

ROBERT JOHN RILEY.

Witnesses:

CHAs. J. BARNARD, C. H. EsTRnM.

lOO 

